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Diffstat (limited to 'examples/eventdev_pipeline/pipeline_common.h')
| -rw-r--r-- | examples/eventdev_pipeline/pipeline_common.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/examples/eventdev_pipeline/pipeline_common.h b/examples/eventdev_pipeline/pipeline_common.h new file mode 100644 index 00000000..9703396f --- /dev/null +++ b/examples/eventdev_pipeline/pipeline_common.h @@ -0,0 +1,153 @@ +/* + * SPDX-License-Identifier: BSD-3-Clause + * Copyright 2016 Intel Corporation. + * Copyright 2017 Cavium, Inc. + */ + +#include <stdbool.h> + +#include <rte_eal.h> +#include <rte_mempool.h> +#include <rte_mbuf.h> +#include <rte_launch.h> +#include <rte_malloc.h> +#include <rte_random.h> +#include <rte_cycles.h> +#include <rte_ethdev.h> +#include <rte_eventdev.h> +#include <rte_event_eth_rx_adapter.h> +#include <rte_service.h> +#include <rte_service_component.h> + +#define MAX_NUM_STAGES 8 +#define BATCH_SIZE 16 +#define MAX_NUM_CORE 64 + +struct cons_data { + uint8_t dev_id; + uint8_t port_id; + uint8_t release; +} __rte_cache_aligned; + +struct worker_data { + uint8_t dev_id; + uint8_t port_id; +} __rte_cache_aligned; + +typedef int (*worker_loop)(void *); +typedef int (*consumer_loop)(void); +typedef void (*schedule_loop)(unsigned int); +typedef int (*eventdev_setup)(struct cons_data *, struct worker_data *); +typedef void (*rx_adapter_setup)(uint16_t nb_ports); +typedef void (*opt_check)(void); + +struct setup_data { + worker_loop worker; + consumer_loop consumer; + schedule_loop scheduler; + eventdev_setup evdev_setup; + rx_adapter_setup adptr_setup; + opt_check check_opt; +}; + +struct fastpath_data { + volatile int done; + uint32_t tx_lock; + uint32_t evdev_service_id; + uint32_t rxadptr_service_id; + bool rx_single; + bool tx_single; + bool sched_single; + unsigned int rx_core[MAX_NUM_CORE]; + unsigned int tx_core[MAX_NUM_CORE]; + unsigned int sched_core[MAX_NUM_CORE]; + unsigned int worker_core[MAX_NUM_CORE]; + struct rte_eth_dev_tx_buffer *tx_buf[RTE_MAX_ETHPORTS]; + struct setup_data cap; +} __rte_cache_aligned; + +struct config_data { + unsigned int active_cores; + unsigned int num_workers; + int64_t num_packets; + uint64_t num_mbuf; + unsigned int num_fids; + int queue_type; + int worker_cycles; + int enable_queue_priorities; + int quiet; + int dump_dev; + int dump_dev_signal; + int all_type_queues; + unsigned int num_stages; + unsigned int worker_cq_depth; + unsigned int rx_stride; + /* Use rx stride value to reduce congestion in entry queue when using + * multiple eth ports by forming multiple event queue pipelines. + */ + int16_t next_qid[MAX_NUM_STAGES+2]; + int16_t qid[MAX_NUM_STAGES]; + uint8_t rx_adapter_id; + uint64_t worker_lcore_mask; + uint64_t rx_lcore_mask; + uint64_t tx_lcore_mask; + uint64_t sched_lcore_mask; +}; + +struct port_link { + uint8_t queue_id; + uint8_t priority; +}; + +struct cons_data cons_data; + +struct fastpath_data *fdata; +struct config_data cdata; + +static __rte_always_inline void +exchange_mac(struct rte_mbuf *m) +{ + struct ether_hdr *eth; + struct ether_addr addr; + + /* change mac addresses on packet (to use mbuf data) */ + eth = rte_pktmbuf_mtod(m, struct ether_hdr *); + ether_addr_copy(ð->d_addr, &addr); + ether_addr_copy(&addr, ð->d_addr); +} + +static __rte_always_inline void +work(void) +{ + /* do a number of cycles of work per packet */ + volatile uint64_t start_tsc = rte_rdtsc(); + while (rte_rdtsc() < start_tsc + cdata.worker_cycles) + rte_pause(); +} + +static __rte_always_inline void +schedule_devices(unsigned int lcore_id) +{ + if (fdata->rx_core[lcore_id]) { + rte_service_run_iter_on_app_lcore(fdata->rxadptr_service_id, + !fdata->rx_single); + } + + if (fdata->sched_core[lcore_id]) { + rte_service_run_iter_on_app_lcore(fdata->evdev_service_id, + !fdata->sched_single); + if (cdata.dump_dev_signal) { + rte_event_dev_dump(0, stdout); + cdata.dump_dev_signal = 0; + } + } + + if (fdata->tx_core[lcore_id] && (fdata->tx_single || + rte_atomic32_cmpset(&(fdata->tx_lock), 0, 1))) { + fdata->cap.consumer(); + rte_atomic32_clear((rte_atomic32_t *)&(fdata->tx_lock)); + } +} + +void set_worker_generic_setup_data(struct setup_data *caps, bool burst); +void set_worker_tx_setup_data(struct setup_data *caps, bool burst); |